CVE-2013-0238

Ircd-hybrid < 8.0.5 - Improper Input Validation

Title source: rule

Description

The try_parse_v4_netmask function in hostmask.c in IRCD-Hybrid before 8.0.6 does not properly validate masks, which allows remote attackers to cause a denial of service (crash) via a mask that causes a negative number to be parsed.

Exploits (1)

exploitdb WORKING POC

by kingcope · perldoslinux

https://www.exploit-db.com/exploits/24951

View Code ZIP pw:eip

References (12)

[Issue Tracking] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=699267

[Third Party Advisory, VDB Entry] http://osvdb.org/89623

[Vendor Advisory] http://secunia.com/advisories/51948

[Vendor Advisory] http://secunia.com/advisories/52106

[Various Sources] http://svn.ircd-hybrid.org:8000/viewcvs.cgi/ircd-hybrid/trunk/src/hostmask.c?r1=1786&r2=1785&pathrev=1786

[Exploit, Third Party Advisory] http://www.exploit-db.com/exploits/24951

[Vendor Advisory] http://www.mandriva.com/security/advisories?name=MDVSA-2013:093

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/57610

[Third Party Advisory, VDB Entry] https://exchange.xforce.ibmcloud.com/vulnerabilities/81695

[Third Party Advisory] https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0055

[Third Party Advisory] http://www.debian.org/security/2013/dsa-2618

[Mailing List] http://www.openwall.com/lists/oss-security/2013/01/29/8

Scores

EPSS 0.3922

EPSS Percentile 97.3%

Details

CWE

CWE-20

Status published

Products (12)

ircd-hybrid/ircd-hybrid 7.2.0

ircd-hybrid/ircd-hybrid 7.2.1

ircd-hybrid/ircd-hybrid 7.2.2

ircd-hybrid/ircd-hybrid 7.2.3

ircd-hybrid/ircd-hybrid 7.3.0 (2 CPE variants)

ircd-hybrid/ircd-hybrid 7.3.1

ircd-hybrid/ircd-hybrid 8.0.0 (5 CPE variants)

ircd-hybrid/ircd-hybrid 8.0.1

ircd-hybrid/ircd-hybrid 8.0.2

ircd-hybrid/ircd-hybrid 8.0.3

... and 2 more

Published Feb 13, 2013

Tracked Since Feb 18, 2026